Block Diagram - Panel, Power Supply Section - Sony MEX-BT39UW Service Manual

MEX-BT39UW/BT3900U/BT3950U
5-3.

BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -

LIQUID
CRYSTAL
DISPLAY
PANEL
LCD901
LCD BACK LIGHT
LED901
DIMMER CONTROL
(LCD BACK LIGHT)
Q901
LED903, 905, 907, 909,
910, 912, 914, 916, 919,
921, 925, 928, 929, 932, LED DRIVE
934, 936, 938, 940, Q903
LSW905 (1/2) - LSW912 (1/2)
ILLUMINATOR,
RING ILLUMINATOR
LED902, 904, 906, 908,
911, 913, 915, 917, 918,
920, 923, 924, 926, 931, LED DRIVE
933, 935, 937, 939,
Q904
LSW905 (2/2) - LSW912 (2/2)
ILLUMINATOR,
RING ILLUMINATOR
(Page 20)
(BT39UW/BT3900U: US, Canadian)
CN801
BUS CONTROL IN
5
4
6
2
7
MEX-BT39UW/BT3900U/BT3950U
LCD DRIVER, LED CONTROL
IC901
LCD_DATA 64
SEG48 LCD_CLK 63
I
LCD_CE 62
SEG1
COM4
I
COM1
2 DIMMER
3 COLOR1
4 COLOR2
REMOTE CONTROL
SIGNAL RECEIVER
IC902
XSYS_RST
B
BU_CHECK
SONY BUS INTERFACE
IC801
6 DATA_I/O BU_CHECK 10
4 CLK DATA_IN 9
1 BUS_ON DATA_OUT 8
2 RST CLK_IN 11
TH801
BUS_IN 12
3 BATT
RST 13
D806
BACK-UP
BACK-UP
CHECK
CHECK
Q807, 808
Q802
BATT
BT3900U: AEP, Russian, UK/
D807 BT3950U
LSW905 - 912, S901 - 907
(FRONT PANEL KEY)
ROTARY
PUSH ENTER/
ENCODER
SEL/
RE901
(VOLUME)
J801
REMOTE IN
SYSTEM CONTROLLER
IC501 (3/3)
1 LCD_SO
2 LCD_CLK
100 LCD_CE
BU+3.3V
MIC+3.3V
4 SIRCS
B.U+5V
SERVO+3.3V
MECHA+6V
PANEL+B
AUDIO+8.5V
19 BUIN
SYNC_OUT 26
5 UNISO
6 UNISI
7 UNISCK
21 BUS_ON USB_ON 50
USB_OVR 52
20 SYSRST
ACC
ACC_IN 57 DETECT
Q301
TEL-ATT
TELATT 56
DETECT
Q303
94 KEYIN1
95 KEYIN0
92 KEYACK1
XIN 10
X502
32.768kHz
82 RE-IN0
XOUT 11
81 RE-IN1
OSCIN 15
18 RC_IN1
X501
97 RC_IN0 7.92MHz
OSCOUT
13
91 KEYACK0
22 22
+3.3V MULTIPLE VOLTAGE
REGULATOR
REGULATOR
IC301 (2/2)
IC402
+3.3V
AMP-REM 29
REGULATOR
ANT-REM 27
IC202
BATT
37 BU+B
31 SERVO+3.3V
VP 35
33 MECHA+6V
VP1 20
34 PANEL+B
VP2 6
30 AUDIO+B
USB VBUS POWER SUPPLY
IC601
VBUS 12 HSDSW VIN 2
13 HSDSW
8 SYN/EN
9 HSDCTL
10 FGL
CN301 (2/2)
5 AMP-REM
6 ANT-REM
19 +B
7 ACC
13 TEL-ATT